What is the domain of f(x)=(x+7)/(x-8) ?

The domain of f(x)=(x+7)/(x-8) is x 8

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domain of f(x)=(x+7)/(x-8)

domain

f (x) = \frac{x + 7}{x - 8}

x < 8 or x > 8

Interval Notation

(- \infty, 8) \cup (8, \infty)

Solution steps

Find undefined (singularity) points:

x = 8

The function domain

x < 8 or x > 8

f (x) = \frac{x + 3}{x ^{2}}

f (x) = x + e^{x}

y = x^{2} - 1

f (x) = \frac{2 x ^{2} - 5 x + 3}{x - 1}

f (x) = (x - 2) (x - 5)^{3} + 9

What is the domain of f(x)=(x+7)/(x-8) ?
The domain of f(x)=(x+7)/(x-8) is x<8\lor x>8